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virtio-devices: Custom 'EpollHelper::run_with_timeout' for fuzz

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To support all virtio-devices, this patch replaces the customized
EpollHelper::run` with customized `EpollHelper::run_with_timeout` for
fuzzing.

Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen 2022-11-01 13:44:25 -07:00 committed by Bo Chen
parent 683491a955
commit cfafc85b9c
1 changed files with 4 additions and 2 deletions
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6
virtio-devices/src/epoll_helper.rs
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@ -148,7 +148,6 @@ impl EpollHelper {
.map_err(EpollHelperError::Ctl) .map_err(EpollHelperError::Ctl)
} }
#[cfg(not(fuzzing))]
pub fn run( pub fn run(
&mut self, &mut self,
paused: Arc<AtomicBool>, paused: Arc<AtomicBool>,
@ -158,6 +157,7 @@ impl EpollHelper {
self.run_with_timeout(paused, paused_sync, handler, -1, false) self.run_with_timeout(paused, paused_sync, handler, -1, false)
} }
#[cfg(not(fuzzing))]
pub fn run_with_timeout( pub fn run_with_timeout(
&mut self, &mut self,
paused: Arc<AtomicBool>, paused: Arc<AtomicBool>,
@ -245,11 +245,13 @@ impl EpollHelper {
#[cfg(fuzzing)] #[cfg(fuzzing)]
// Require to have a 'queue_evt' being kicked before calling // Require to have a 'queue_evt' being kicked before calling
// and return when no epoll events are active // and return when no epoll events are active
pub fn run( pub fn run_with_timeout(
&mut self, &mut self,
paused: Arc<AtomicBool>, paused: Arc<AtomicBool>,
paused_sync: Arc<Barrier>, paused_sync: Arc<Barrier>,
handler: &mut dyn EpollHelperHandler, handler: &mut dyn EpollHelperHandler,
_timeout: i32,
_enable_event_list: bool,
) -> std::result::Result<(), EpollHelperError> { ) -> std::result::Result<(), EpollHelperError> {
const EPOLL_EVENTS_LEN: usize = 100; const EPOLL_EVENTS_LEN: usize = 100;
let mut events = vec![epoll::Event::new(epoll::Events::empty(), 0); EPOLL_EVENTS_LEN]; let mut events = vec![epoll::Event::new(epoll::Events::empty(), 0); EPOLL_EVENTS_LEN];